4990860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 18398016

約数和(自身を除く): 13407156

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 233, 238, 252, 255, 306, 315, 340, 357, 420, 466, 476, 510, 595, 612, 630, 699, 714, 765, 932, 1020, 1071, 1165, 1190, 1260, 1398, 1428, 1530, 1631, 1785, 2097, 2142, 2330, 2380, 2796, 3060, 3262, 3495, 3570, 3961, 4194, 4284, 4660, 4893, 5355, 6524, 6990, 7140, 7922, 8155, 8388, 9786, 10485, 10710, 11883, 13980, 14679, 15844, 16310, 19572, 19805, 20970, 21420, 23766, 24465, 27727, 29358, 32620, 35649, 39610, 41940, 47532, 48930, 55454, 58716, 59415, 71298, 73395, 79220, 83181, 97860, 110908, 118830, 138635, 142596, 146790, 166362, 178245, 237660, 249543, 277270, 293580, 332724, 356490, 415905, 499086, 554540, 712980, 831810, 998172, 1247715, 1663620, 2495430, 4990860]

約数ペア:

[(1, 4990860), (2, 2495430), (3, 1663620), (4, 1247715), (5, 998172), (6, 831810), (7, 712980), (9, 554540), (10, 499086), (12, 415905), (14, 356490), (15, 332724), (17, 293580), (18, 277270), (20, 249543), (21, 237660), (28, 178245), (30, 166362), (34, 146790), (35, 142596), (36, 138635), (42, 118830), (45, 110908), (51, 97860), (60, 83181), (63, 79220), (68, 73395), (70, 71298), (84, 59415), (85, 58716), (90, 55454), (102, 48930), (105, 47532), (119, 41940), (126, 39610), (140, 35649), (153, 32620), (170, 29358), (180, 27727), (204, 24465), (210, 23766), (233, 21420), (238, 20970), (252, 19805), (255, 19572), (306, 16310), (315, 15844), (340, 14679), (357, 13980), (420, 11883), (466, 10710), (476, 10485), (510, 9786), (595, 8388), (612, 8155), (630, 7922), (699, 7140), (714, 6990), (765, 6524), (932, 5355), (1020, 4893), (1071, 4660), (1165, 4284), (1190, 4194), (1260, 3961), (1398, 3570), (1428, 3495), (1530, 3262), (1631, 3060), (1785, 2796), (2097, 2380), (2142, 2330)]